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# Module 1 lesson 19

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### Module 1 lesson 19

1. 1. Module 1 Lesson 19.notebook Module 1, Lesson 19 October 15, 2013 10/15/13 HW: Lesson 19 Problem Set #1 and 4 QUIZ 2 Friday, and CRS 4 due tomorrow Computing Actual Areas from a Scale Drawing. Do Now: Lesson 18 Exit Ticket 1
2. 2. Module 1 Lesson 19.notebook October 15, 2013 2
3. 3. Module 1 Lesson 19.notebook October 15, 2013 Use the diagrams below to find the scale factor and then find the area of each figure. Example 1: 3
4. 4. Module 1 Lesson 19.notebook October 15, 2013 Use the diagrams below to find the scale factor and then find the area of each figure. Example 2: 4
5. 5. Module 1 Lesson 19.notebook October 15, 2013 Use the diagrams below to find the scale factor and then find the area of each figure. Example 3: 5
6. 6. Module 1 Lesson 19.notebook October 15, 2013 6
7. 7. Module 1 Lesson 19.notebook October 15, 2013 Does the actual area you found reflect the results we found from Examples 1–3? Explain how you know. 7
8. 8. Module 1 Lesson 19.notebook October 15, 2013 8
9. 9. Module 1 Lesson 19.notebook October 15, 2013 9
10. 10. Module 1 Lesson 19.notebook October 15, 2013 10
11. 11. Module 1 Lesson 19.notebook October 15, 2013 11
12. 12. Module 1 Lesson 19.notebook October 15, 2013 Closing: 1.) When given a scale drawing, how do we go about finding the area of the actual object? 2.) Describe a situation where you might need to know the area of an object given a scale drawing or scale model. 12
13. 13. Module 1 Lesson 19.notebook October 15, 2013 13
14. 14. Module 1 Lesson 19.notebook October 15, 2013 14